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CONVEYING SYSTEM Filed July 1 18 Sheets-Sheet 18 Patented May 5, 1931 UNITED STATES PATENT? OFFICE THEODORE A. FEDERWITZ AND WALTER T. BAILEY, OF PHILADELPHIA, PENNSYL- VANIA, ASSIGNORS T0 STORES AND SMITH COMPANY, OF SUMMERDALE, PHILA- DELPHIA, PENNSYLVAN'IA, A CORPORATION OF PENNSYLVANIA CONVEYING SYSTEM Application led July 1,

Our invention relates to the art of feeding wrappers, sheets, labels, or equivalent, hereinafter termed sheets7 or wrappers, lto a machine or unit, as a wrapping machine, a box wrapping or covering machine, a package wrapping machine, a can Wrapping machine, or equivalent, hereinafter termed a wrapping unit, 0r wrapping machine, which applies the sheet to any desired structure, as a stayed box, package, can, or equivalent, hereinafter termed a box, or to a nonstayed box, or equivalent.

In accordance Vwith our invention, a system or combination of units, suitably synchronized or operating in definitely timed relation, automatically and successively delivers sheets, having one surface either partially or wholly coated Witha suitable adhesive, as glue, to a wrapping unit in timed relation with the delivery thereto of a box, or a nonstayed box, or equivalent.

Further in accordance with our invention, a sheet stripped from suitable adhesive applying mechanism and accordingly often assuming an arc-shape is manipulated by suitable structure to lay flat, preferably upon the conveyor struct-ure of the adhesive applying unit.

Further in accordance with our invention, suitable conveyor structure in alignment with sheet delivering structure, as the conveyor belt of a glue applying unit, is intermittently operable to seize and transport in succession individual glued sheets, the conveyor and delivering structure cooperating to align individual sheets transversely of the conveyor' structure.

More particularly, adjacent the point of del livery of sheets from the gluer to the conveyor unit, there is pneumatically applied, by air jet or equivalent, to an oncoming glued sheet a force retarding the sheet as it appreaches the desired position of alignment.

Further in accordance with our invention, suitable conveyor structure cooperates with suitable release structure to feed individual boxes to the wrapping unit in timed relation to the passage thereto of individual glued sheets; and more particularly suitable mechanism tends to enter the path of box feed at 1925. Serial No. 40,769.

tents with respect to the path of travel of the sheets both in the adhesive applying unit and in the conveyor structure.

Further in accordance with our invention, structure for conveying both sheets and boxes for blanks for non-stayed boxes to a common point of delivery is fully adjustable for manipulating sheets and boxes or blanks of different dimensions.

Further in accordance with our invention,

there is correlated with the wrapper-applying structure of a Wrapping machine stripper mechanism operating in timed relation with respect to structure for conveying to the wrapping unit sheets or boxes or non-stayed boxes, and movable or adjustable with the adjustable structure of the conveyor mechanism for operation upon boxes or non-stayed boxes of different dimensions; and further our invention resides in the correlation with the form block structure of a wrapping unit of stripper mechanism mounted independently thereof but operating in timed relation therewith.

Our invention resides in the system, apparatus and features of structure hereinafter described and claimed.

The apparatus herein disclosed is of the 'eneral character described in prior Letters atent 1,403,635, January 17, 1922; and this application is in part a continuation of our prior application Serial No. 698,841, tiled" arch 13, 1924.

For an illustration of some of the many forms our invention may take, reference is to be had to the accompanying drawings, in which:

Figure 1 is a side elevational view, partly in section, of apparatus embodying our invention.

Fig. 2 is a top plan view partly in sect-ion of the adhesive applying unit and a part of the conveyor mechanism.

Fig. 3 is a top plan view partly in section of a portion of the conveyor mechanism adjacent the wrapping machine.

Fig. 4 is a sectional view on the line 4-4 of Fig. 2.

Fig. 5 is a sectional view on the line 5-5 of Fig. 3.

Fig. 6 is a side elevational view looking in the direction of arrow A on Fig. 3.

Fig. 7 is a side elevational view looking in the direction of arrow B on Fig. 3.

Fig. 8 is an enlarged vertical sectional view on the lin 8-8 of Figs. 5, 6, and 7 looking in the direction of the arrows.

Fig. 9 is an enlarged vertical sectional view on the line 9-9'of Fig. 5 looking in the direction of the arrows.

Fig. 10 is a partial vertical sectional view on the line 10-10 of Fig. 5 looking in the direction of the arrows. A

Fig. 11 is a vertical sectional view on the line 11-11 of Fig. 5 looking in the direction of the arrows.

Fig. -12 is a partial sectional view on the line 12-12 of Fig. 5 looking in the direction of the arrows.

Fig. 13 is an elevational view looking in the direction of arrow C on Fig. 12.

Fig. 14 is a partial vertical sectional view on ythe line 14;-14 of Fig. 5 looking in the direction of the arrows.

Fig. 15 is a partial vertical sectional view on the line 15-15 of Fig. 5 looking in the direction of the arrows.

Fig. 16 is an enlarged elevational view of a sheet gripping unit in closed position. n

Fig. 17 is an enlarged elevation of a sheet gripping unit in open position.

Fig. 18 is a vertical sectional view on line 18-18 of Fig. 19 looking in the direction of the arrows. y Fig. 19 is a view partially in elevation and partially in section taken on line 19-19 of Fig. 18 looking in the direction of the arrows.

Fig. 20 is a vertical section view on line 20-20 of Fig. 4 looking in the direction of the arrows. l,

Fig. 21 isa horizontal sectional view on line 21-21 of Fig. 20. f

Fig. 22 is an enlarged vertical partially sectional view on line 20-20 of Fig. 4 looking in the direction ofthe arrows.

Fig. l23 is a horizontal sectional view on line 23-23 of Fig. 1 looking in the direction of the arrows.

Fig. 24 is an enlarged partial side elevational view looking in the direction of arrow E on Fig. A1. f

Fig. 25 is a vertical sectional view on line 25-25 of Fig. 5 looking in the direction of the arrows and showing the locking device for a driving sprocket.

Fig. 26 is a vertical sectlonal view on line 26-26 -of Fig. `3 looking in the direction of the arrows and showing the driving arran ment for one of the one-time shafts and t e l box-conveying belt.

` line 29-29 of Fig. 1 looking in the direction of the arrows and showing another part of the automatic trip mechanism.

Fig. 30 is a vertical sectional view on line 30-30 of Fig. 29 looking in the direction of the arrows.

Fig. 31 is a vertical sectional view on line 31-31 of Fig. 35 looking in the direction of the arrows and showing a modiiedaru rangement.

Fig. 32 is an enlarged plan view of a pair of air jet tips.

Fig. 33 is a view partly in vertical section on line 33--7-33` of Fig'. 32 looking in the direction of the arrows.

Fig. 34 is anr elevational view looking in the direction of arrow M on Fig. 32.

t. Fig. 34a is a bottom view of an airjet 1p.

Fig. 35 is a planview of the structure of Fig. 31. y

Fig. 36 is aside elevational view, partly in section of the delivery end of a conveyor unit and a feeding, bending and forming machine operating on non-stayed blanks.

'Fig 37 is a plan view partly in horizontal section on line 37-37 of Fig. 36.

Fig. 38 is a vertical sectional View on line 38-38 of Fig. 37 looking in the direction of delivers to the wrapping machine W boxes,

or equivalent, as aforesaid. and sheets, or equivalent, as aforesaid, the latter gummed or glued and delivered bythe unit G to the transferring unit C.

.The adhesive 'applying unit G may be of 

